Home / 259,844-561,136

Finding the Third Proportional to 259,844 and 561,136

Calculator

Solution

The third proportional to 259,844 and 561,136 is: 1,211,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,844 : 561,136 = 561,136 : x
  2. Step 2: Convert to fraction form
    259,844/561,136 = 561,136/x
  3. Step 3: Cross multiply
    259,844x = 561,136 × 561,136
  4. Step 4: Simplify right side
    259,844x = 314,873,610,496
  5. Step 5: Solve for x
    x = 314,873,610,496/259,844
  6. Step 6: Final answer
    x = 1,211,779.42

Related Problems

Find third proportional to 129,922 and 280,568
Half scale
Find third proportional to 519,688 and 1,122,272
Double scale
Find third proportional to 259,846 and 561,140
Similar ratio
Find third proportional to 389,766 and 841,704
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.